/**
 * jQuery JSON plugin v2.5.1
 * https://github.com/Krinkle/jquery-json
 *
 * @author Brantley Harris, 2009-2011
 * @author Timo Tijhof, 2011-2014
 * @source This plugin is heavily influenced by MochiKit's serializeJSON, which is
 *         copyrighted 2005 by Bob Ippolito.
 * @source Brantley Harris wrote this plugin. It is based somewhat on the JSON.org
 *         website's http://www.json.org/json2.js, which proclaims:
 *         "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that
 *         I uphold.
 * @license MIT License <http://opensource.org/licenses/MIT>
 */
define(function (require, exports, moudles) {
    return function (jQuery) {

        (function ($) {
            'use strict';

            var escape = /["\\\x00-\x1f\x7f-\x9f]/g,
                meta = {
                    '\b': '\\b',
                    '\t': '\\t',
                    '\n': '\\n',
                    '\f': '\\f',
                    '\r': '\\r',
                    '"': '\\"',
                    '\\': '\\\\'
                },
                hasOwn = Object.prototype.hasOwnProperty;

            /**
             * jQuery.toJSON
             * Converts the given argument into a JSON representation.
             *
             * @param o {Mixed} The json-serializable *thing* to be converted
             *
             * If an object has a toJSON prototype, that will be used to get the representation.
             * Non-integer/string keys are skipped in the object, as are keys that point to a
             * function.
             *
             */
            $.toJSON = typeof JSON === 'object' && JSON.stringify ? JSON.stringify : function (o) {
                if (o === null) {
                    return 'null';
                }

                var pairs, k, name, val,
                    type = $.type(o);

                if (type === 'undefined') {
                    return undefined;
                }

                // Also covers instantiated Number and Boolean objects,
                // which are typeof 'object' but thanks to $.type, we
                // catch them here. I don't know whether it is right
                // or wrong that instantiated primitives are not
                // exported to JSON as an {"object":..}.
                // We choose this path because that's what the browsers did.
                if (type === 'number' || type === 'boolean') {
                    return String(o);
                }
                if (type === 'string') {
                    return $.quoteString(o);
                }
                if (typeof o.toJSON === 'function') {
                    return $.toJSON(o.toJSON());
                }
                if (type === 'date') {
                    var month = o.getUTCMonth() + 1,
                        day = o.getUTCDate(),
                        year = o.getUTCFullYear(),
                        hours = o.getUTCHours(),
                        minutes = o.getUTCMinutes(),
                        seconds = o.getUTCSeconds(),
                        milli = o.getUTCMilliseconds();

                    if (month < 10) {
                        month = '0' + month;
                    }
                    if (day < 10) {
                        day = '0' + day;
                    }
                    if (hours < 10) {
                        hours = '0' + hours;
                    }
                    if (minutes < 10) {
                        minutes = '0' + minutes;
                    }
                    if (seconds < 10) {
                        seconds = '0' + seconds;
                    }
                    if (milli < 100) {
                        milli = '0' + milli;
                    }
                    if (milli < 10) {
                        milli = '0' + milli;
                    }
                    return '"' + year + '-' + month + '-' + day + 'T' +
                        hours + ':' + minutes + ':' + seconds +
                        '.' + milli + 'Z"';
                }

                pairs = [];

                if ($.isArray(o)) {
                    for (k = 0; k < o.length; k++) {
                        pairs.push($.toJSON(o[k]) || 'null');
                    }
                    return '[' + pairs.join(',') + ']';
                }

                // Any other object (plain object, RegExp, ..)
                // Need to do typeof instead of $.type, because we also
                // want to catch non-plain objects.
                if (typeof o === 'object') {
                    for (k in o) {
                        // Only include own properties,
                        // Filter out inherited prototypes
                        if (hasOwn.call(o, k)) {
                            // Keys must be numerical or string. Skip others
                            type = typeof k;
                            if (type === 'number') {
                                name = '"' + k + '"';
                            } else if (type === 'string') {
                                name = $.quoteString(k);
                            } else {
                                continue;
                            }
                            type = typeof o[k];

                            // Invalid values like these return undefined
                            // from toJSON, however those object members
                            // shouldn't be included in the JSON string at all.
                            if (type !== 'function' && type !== 'undefined') {
                                val = $.toJSON(o[k]);
                                pairs.push(name + ':' + val);
                            }
                        }
                    }
                    return '{' + pairs.join(',') + '}';
                }
            };

            /**
             * jQuery.evalJSON
             * Evaluates a given json string.
             *
             * @param str {String}
             */
            $.evalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {
                /*jshint evil: true */
                return eval('(' + str + ')');
            };

            /**
             * jQuery.secureEvalJSON
             * Evals JSON in a way that is *more* secure.
             *
             * @param str {String}
             */
            $.secureEvalJSON = typeof JSON === 'object' && JSON.parse ? JSON.parse : function (str) {
                var filtered =
                    str
                        .replace(/\\["\\\/bfnrtu]/g, '@')
                        .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
                        .replace(/(?:^|:|,)(?:\s*\[)+/g, '');

                if (/^[\],:{}\s]*$/.test(filtered)) {
                    /*jshint evil: true */
                    return eval('(' + str + ')');
                }
                throw new SyntaxError('Error parsing JSON, source is not valid.');
            };

            /**
             * jQuery.quoteString
             * Returns a string-repr of a string, escaping quotes intelligently.
             * Mostly a support function for toJSON.
             * Examples:
             * >>> jQuery.quoteString('apple')
             * "apple"
             *
             * >>> jQuery.quoteString('"Where are we going?", she asked.')
             * "\"Where are we going?\", she asked."
             */
            $.quoteString = function (str) {
                if (str.match(escape)) {
                    return '"' + str.replace(escape, function (a) {
                            var c = meta[a];
                            if (typeof c === 'string') {
                                return c;
                            }
                            c = a.charCodeAt();
                            return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
                        }) + '"';
                }
                return '"' + str + '"';
            };

        }(jQuery));
    }
})